Email Security: Which solution is best?

PeerSpot users review the highest rated solutions in the Email Security market

Businessman showing protected email on the tablet


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One of the three primary ways that ransomware gets into an organisation is through compromised emails. Today, it’s important for businesses to appreciate how email security plays a pivotal role in stopping ransomware attacks in their very earliest stages. However, selecting a robust email security solution isn’t always easy and there are many options to choose from.

Over 540,000 professionals have used PeerSpot research to inform their purchasing decisions. Its latest paper looks at the highest rated email security vendors, profiling each and examining what they can offer enterprise.

Here’s a breakdown of the key players currently active in the market:


Average Rating: 9.3

Top Comparison: Microsoft Defender for Office 365

Overview: Helps businesses to build the most complete security stack from the industry’s most trusted names in malware protection, data leak prevention, encryption, endpoint compliance and more.

Barracuda Email Security Gateway

Average Rating: 7.7

Top Comparison: Fortinet FortiMail

Overview: A robust security solution that allows users to protect themselves from external threats as well as from potential data leaks. It can be managed and monitored from a centralised location.

Cisco Secure Email

Average Rating: 8.7

Top Comparison: Proofpoint Email Protection

Overview: Enables users to communicate securely and helps organisations combat Business Email Compromise (BEC), ransomware, advanced malware, phishing, spam, and data loss with a multi-layered approach to security.

Fortinet FortiMail

Average Rating: 8.9

Top Comparison: Cisco Secure Email

Overview: Purpose-built for the most demanding messaging systems, the solution’s appliances help protect networks against spam, malware, and other message-borne threats.


Average Rating: 9.4

Top Comparison: Microsoft Defender for Office 365

Overview: An industry-leading email security solution which combines email security and security awareness training into a single, comprehensive solution.

Microsoft Defender for Office 365

Average Rating: 8.1

Top Comparison: Proofpoint Email Protection

Overview: Protects all of Office 365 against advanced threats like business email compromise and credential phishing, and automatically investigates and remediates attacks.

Mimecast Email Security with Targeted Threat Protection

Average Rating: 8.3

Top Comparison: Microsoft Defender for Office 365

Overview: Uses multiple, sophisticated, detection engines and a diverse set of threat intelligence sources to protect email from spam, malware, phishing, and targeted attacks delivered as a 100% cloud-based service.

Perception Point Advanced Email Security

Average Rating: 9.0

Top Comparison: Microsoft Defender for Office 365

Overview: A Prevention-as-a-Service company, offering fast interception of any content-based attack across all collaboration channels including email, cloud storage, CRM apps, and messaging platforms.

Proofpoint Email Protection

Average Rating: 8.5

Top Comparison: Cisco Secure Email

Overview: A machine learning email gateway that catches both known and unknown threats. Through target attack protection, emails are analysed and potentially blocked while users gain visibility around these threats.

TitanHQ SpamTitan

Average Rating: 9.2

Top Comparison: Barracuda Essentials

Overview: A next-generation robust anti-spam service that protects today’s businesses by blocking spam, spoofing, zero-day attacks, phishing, malware, and more from users' emails.

A download now button with the front page of Peerspot’s paper ‘Email Security’ IDG Connect